Key to species groups of the salvini clade based on reproductive caste forewings

1. Cell 1+2r present (Figs. 89A–89E)............................................................................................. 2

- Cell 1+2r absent, although vein Rs+M may be present and incomplete (Figs. 89F–89H) .......................................................................................................................................................... 6

2. Vein Rsf5 not meeting anterior wing margin (Fig. 89E)...................... pergandei group

- Vein Rsf5 meeting anterior wing margin (Figs. 89A–89D)................................................. 3

3. Cell mcu present or nearly complete (Figs. 89A & 89D)..................................................... 4

- Cell mcu absent (Figs. 89B & 89C) ............................................................................................. 5

4. Vein r as long or longer than width of pterostigma (Fig. 89D) .............. fuscatus group

- Vein r shorter than width of pterostigma (Fig. 89A)..................................... salvini group

5. Vein r-m present (Fig. 89C)............................................................................ annexus group

- Vein r-m absent (Fig. 89B)....................................................................... tenuisculptus group

6. Vein Rs+M present (Fig. 89H) .................................................................... subditivus group

- Vein Rs+M absent (Figs. 89F & 89G)......................................................................................... 7

7. Vein connecting M+CuA and R+Sc straight (Fig. 89F) ......................... pastinifer group

- Vein connecting M+CuA and R+Sc bent (Fig. 89g) ................................ pulchellus group